package com.example.demo.config;
/**
 * @Author Justice
 * @Date 2019/4/8 16:17
 * @Version 1.0
 */
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;


@Configuration
public class DruidConfiguration {
    /**
	 * 注册一个StatViewServlet
	 * @return
	 */
    @Bean
    public ServletRegistrationBean druidStatView(){

       //org.springframework.boot.web.servlet.FilterRegistrationBean提供类的进行注册.
       ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(),"/druid/*");

       //添加初始化参数：initParams

//       //白名单：
       servletRegistrationBean.addInitParameter("allow","127.0.0.1");

//       IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
//       servletRegistrationBean.addInitParameter("deny","127.0.0.1");

       //登录查看信息的账号密码.
       servletRegistrationBean.addInitParameter("loginUsername","admin");
       servletRegistrationBean.addInitParameter("loginPassword","root");

       //是否能够重置数据.
       servletRegistrationBean.addInitParameter("resetEnable","false");
       return servletRegistrationBean;
    }

    /**
     * 注册一个：filterRegistrationBean
     * @return
     */
    @Bean
    public FilterRegistrationBean druidStatFilter(){
       FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());

       //添加过滤规则.
       filterRegistrationBean.addUrlPatterns("/*");

       //添加不需要忽略的格式信息.
       filterRegistrationBean.addInitParameter("exclusions","*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");

       return filterRegistrationBean;
    }
}
